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7f03d84a67
Extend the MAX10 BMC Secure Update driver to provide sysfs files to expose the 128 bit code signing key (CSK) cancellation vectors. These use the standard bitmap list format (e.g. 1,2-6,9). Each CSK is assigned an ID, a number between 0-127, during the signing process. CSK ID cancellation information is stored in 128-bit fields in write-once locations in flash. The cancellation of a CSK can be used to prevent the card from being rolled back to older images that were signed with a CSK that is now cancelled. Reviewed-by: Tom Rix <trix@redhat.com> Tested-by: Tianfei Zhang <tianfei.zhang@intel.com> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Link: https://lore.kernel.org/r/20220606160038.846236-5-russell.h.weight@intel.com Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.